Home / 34,145.45-47,117.28-19,036.69

Finding the Fourth Proportional to 34,145.45, 47,117.28 and 19,036.69

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Solution

The fourth proportional to 34,145.45, 47,117.28 and 19,036.69 is: 26,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.45 : 47,117.28 = 19,036.69 : x
  2. Step 2: Convert to fraction form
    34,145.45/47,117.28 = 19,036.69/x
  3. Step 3: Cross multiply
    34,145.45x = 47,117.28 × 19,036.69
  4. Step 4: Simplify right side
    34,145.45x = 896,956,922.72
  5. Step 5: Solve for x
    x = 896,956,922.72/34,145.45
  6. Step 6: Final answer
    x = 26,268.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.